Hey guys, This is -JSY and this is a tutorial on how to unlock those 2 spec ops titles for online multiplayer! ( Overachiever & Unstoppable )
What you need:
- USB
- PS3 Gamesave
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- A way to resign a gamesave (Xploder, K.G's Save Game Resigner... ect)
Actual Tutorial:
1. Download the PS3 Gamesave
2. Resign it (Tutorial at the bottom)
3. Copy it over to the PS3
4. Start MW3
5. Go into Spec Ops
6. Load the profile
7. Check your callsigns and it should be there
8. Go online and you'll have it!
This will also give you level 50 for Spec Ops!
Tutorial for resigning gavesaves using K.G's Program:
DOWNLOA
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BIG NOTE: Different saves have different region codes. Generally, BLES = Europe and BLUS = USA. Look on the spine of your game case to see your code. Enter your game ID code, if it is different to the one shown when opening the modded save.
-INITIAL SETUP-
1. Download the GameSave Resigner 1.4 and run the application
2. Click on "Customized Profile Setting". and fill in the following keys: (without quote marks)
SySCON Manager key: "D413B89663E1FE9F75143D3BB4565274"
KeyGen key: "6B1ACEA246B745FD8F93763B920594CD53483B82"
Game save PARAM.SFO key: "0C08000E090504040D010F000406020209060D03"
Fallback disc hash key: "D1C1E10B9C547E689B805DCD9710CE8D"
3. Save the keys, and then copy any one of your gamesaves from your PS3 to memory stick
4. Click on "or load from param.sfo" and locate the param.sfo file in the save folder you just copied
5. Click save to profile 01, 02 or 03 (This prevents the need to load your own saves in the future)
-ACTUAL RESIGN-
6. Go to file and open, then select any file (picture or the param.sfo) from the MODDED save.
7. Once it has loaded, select a profile to resign to and click resign!
8. The program will create 2 folders in the location where the modded save is - the "original backup" is the modded save and the folder without "original backup" is the resigned save and therefore the one you need to copy to your PS3
If You Need Anyother Help Or Want Me To Resign A Save For You, Add Me On Skype And We'll Talk On There 
SKYPE: PerfectionXI
Credits:
Someone for the gamesave ( Sorry I donno the original owner ), XxELiTEGAMERZzxX ( That's his YouTube ) for the tutorial on how to resign the save and K.G for the save resigner and I guess me for putting this all together?

If I frogot to add someone, just tell me and ill add them.